import { EditViewEngine } from './edit-view-engine';

/**
 * 实体编辑视图（左右关系）界面引擎
 *
 * @export
 * @class EditView2Engine
 * @extends {EditViewEngine}
 */
export class EditView2Engine extends EditViewEngine {
  /**
   * 数据关系栏
   *
   * @protected
   * @type {*}
   * @memberof EditView2Engine
   */
  protected drBar: any;

  /**
   * Creates an instance of EditView2Engine.
   *
   * @memberof EditView2Engine
   */
  constructor() {
    super();
  }

  /**
   * 初始化引擎
   *
   * @param {*} [options={}]
   * @memberof EditView2Engine
   */
  public init(options: any = {}): void {
    this.drBar = options.drbar;
    super.init(options);
  }

  /**
   * 部件事件机制
   *
   * @param {string} ctrlName
   * @param {string} eventName
   * @param {*} args
   * @memberof EditView2Engine
   */
  public onCtrlEvent(ctrlName: string, eventName: string, args: any): void {
    super.onCtrlEvent(ctrlName, eventName, args);
    if (Object.is(ctrlName, 'drbar')) {
      this.drbarEvent(eventName, args);
    }
  }

  /**
   * 数据关系栏事件
   *
   * @param {string} eventName
   * @param {any[]} args
   * @memberof EditView2Engine
   */
  public drbarEvent(eventName: string, args: any[]): void {
    if (Object.is(eventName, 'selectionchange')) {
      this.drBarSelectionChange(args);
    }
  }

  /**
   * 数据关系栏选中
   *
   * @param {any[]} args
   * @memberof EditView2Engine
   */
  public drBarSelectionChange(args: any[]): void {
    const item = args[0];
    if (!item || Object.keys(item).length === 0) {
      return;
    }
    this.view.selection = {};
    Object.assign(this.view.selection, JSON.parse(JSON.stringify(item)));
  }

  /**
   * 表单加载完成
   *
   * @param {*} [arg={}]
   * @memberof EditView2Engine
   */
  public onFormLoad(arg: any = {}): void {
    super.onFormLoad(arg);
    if (this.getDRBar()) {
      const tag = this.getDRBar().name;
      this.setViewState2({ tag: tag, action: 'state', viewdata: arg });
    }
  }

  /**
   * 表单保存完成
   *
   * @param {*} [arg={}]
   * @memberof EditView2Engine
   */
  public onFormSave(arg: any = {}): void {
    super.onFormSave(arg);
    if (this.getDRBar()) {
      const tag = this.getDRBar().name;
      this.setViewState2({ tag: tag, action: 'state', viewdata: arg });
    }
  }

  /**
   * 获取关系
   *
   * @returns {*}
   * @memberof EditView2Engine
   */
  public getDRBar(): any {
    return this.drBar;
  }
}
